Goof Off 1 Gal. Outdoor Rust Stain Remover

Goof Off RustAid Outdoor Rust Remover spray works on a variety of outdoor surfaces to neutralize and dissolve tough rust stains caused by well water, lime scale, and calcium deposits. RustAid is safe for use on a variety of outdoor surfaces including concrete, stucco, wood, fiberglass, brick, painted surfaces and vinyl siding. Apply to an exterior wall, walkway, foundation, driveway, fence, shed, or lawn furniture. Size: 1 gallon.